sound/soc/intel/boards/bxt_da7219_max98357a.c

   1 /*
   2  * Intel Broxton-P I2S Machine Driver
   3  *
   4  * Copyright (C) 2016, Intel Corporation. All rights reserved.
   5  *
   6  * Modified from:
   7  *   Intel Skylake I2S Machine driver
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License version
  11  * 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  */
  18
  19 #include <linux/module.h>
  20 #include <linux/platform_device.h>
  21 #include <sound/core.h>
  22 #include <sound/jack.h>
  23 #include <sound/pcm.h>
  24 #include <sound/pcm_params.h>
  25 #include <sound/soc.h>
  26 #include "../../codecs/hdac_hdmi.h"
  27 #include "../../codecs/da7219.h"
  28 #include "../../codecs/da7219-aad.h"
  29
  30 #define BXT_DIALOG_CODEC_DAI    "da7219-hifi"
  31 #define BXT_MAXIM_CODEC_DAI     "HiFi"
  32 #define DUAL_CHANNEL            2
  33
  34 static struct snd_soc_jack broxton_headset;
  35
  36 enum {
  37         BXT_DPCM_AUDIO_PB = 0,
  38         BXT_DPCM_AUDIO_CP,
  39         BXT_DPCM_AUDIO_REF_CP,
  40         BXT_DPCM_AUDIO_HDMI1_PB,
  41         BXT_DPCM_AUDIO_HDMI2_PB,
  42         BXT_DPCM_AUDIO_HDMI3_PB,
  43 };
  44
  45 static const struct snd_kcontrol_new broxton_controls[] = {
  46         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
  47         SOC_DAPM_PIN_SWITCH("Headset Mic"),
  48         SOC_DAPM_PIN_SWITCH("Spk"),
  49 };
  50
  51 static const struct snd_soc_dapm_widget broxton_widgets[] = {
  52         SND_SOC_DAPM_HP("Headphone Jack", NULL),
  53         SND_SOC_DAPM_MIC("Headset Mic", NULL),
  54         SND_SOC_DAPM_SPK("Spk", NULL),
  55         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
  56         SND_SOC_DAPM_SPK("HDMI1", NULL),
  57         SND_SOC_DAPM_SPK("HDMI2", NULL),
  58         SND_SOC_DAPM_SPK("HDMI3", NULL),
  59 };
  60
  61 static const struct snd_soc_dapm_route broxton_map[] = {
  62         /* HP jack connectors - unknown if we have jack detection */
  63         {"Headphone Jack", NULL, "HPL"},
  64         {"Headphone Jack", NULL, "HPR"},
  65
  66         /* speaker */
  67         {"Spk", NULL, "Speaker"},
  68
  69         /* other jacks */
  70         {"MIC", NULL, "Headset Mic"},
  71
  72         /* digital mics */
  73         {"DMic", NULL, "SoC DMIC"},
  74
  75         /* CODEC BE connections */
  76         {"HiFi Playback", NULL, "ssp5 Tx"},
  77         {"ssp5 Tx", NULL, "codec0_out"},
  78
  79         {"Playback", NULL, "ssp1 Tx"},
  80         {"ssp1 Tx", NULL, "codec1_out"},
  81
  82         {"codec0_in", NULL, "ssp1 Rx"},
  83         {"ssp1 Rx", NULL, "Capture"},
  84
  85         {"HDMI1", NULL, "hif5 Output"},
  86         {"HDMI2", NULL, "hif6 Output"},
  87         {"HDMI3", NULL, "hif7 Output"},
  88
  89         {"hifi3", NULL, "iDisp3 Tx"},
  90         {"iDisp3 Tx", NULL, "iDisp3_out"},
  91         {"hifi2", NULL, "iDisp2 Tx"},
  92         {"iDisp2 Tx", NULL, "iDisp2_out"},
  93         {"hifi1", NULL, "iDisp1 Tx"},
  94         {"iDisp1 Tx", NULL, "iDisp1_out"},
  95
  96         /* DMIC */
  97         {"dmic01_hifi", NULL, "DMIC01 Rx"},
  98         {"DMIC01 Rx", NULL, "DMIC AIF"},
  99 };
 100
 101 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
 102                         struct snd_pcm_hw_params *params)
 103 {
 104         struct snd_interval *rate = hw_param_interval(params,
 105                         SNDRV_PCM_HW_PARAM_RATE);
 106         struct snd_interval *channels = hw_param_interval(params,
 107                         SNDRV_PCM_HW_PARAM_CHANNELS);
 108         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
 109
 110         /* The ADSP will convert the FE rate to 48k, stereo */
 111         rate->min = rate->max = 48000;
 112         channels->min = channels->max = DUAL_CHANNEL;
 113
 114         /* set SSP to 24 bit */
 115         snd_mask_none(fmt);
 116         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
 117
 118         return 0;
 119 }
 120
 121 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd)
 122 {
 123         int ret;
 124         struct snd_soc_codec *codec = rtd->codec;
 125
 126         /*
 127          * Headset buttons map to the google Reference headset.
 128          * These can be configured by userspace.
 129          */
 130         ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
 131                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 132                         SND_JACK_BTN_2 | SND_JACK_BTN_3, &broxton_headset,
 133                         NULL, 0);
 134         if (ret) {
 135                 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
 136                 return ret;
 137         }
 138
 139         da7219_aad_jack_det(codec, &broxton_headset);
 140
 141         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
 142
 143         return ret;
 144 }
 145
 146 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
 147 {
 148         struct snd_soc_dai *dai = rtd->codec_dai;
 149
 150         return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
 151 }
 152
 153 static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd)
 154 {
 155         struct snd_soc_dapm_context *dapm;
 156         struct snd_soc_component *component = rtd->cpu_dai->component;
 157
 158         dapm = snd_soc_component_get_dapm(component);
 159         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
 160
 161         return 0;
 162 }
 163
 164 static unsigned int rates[] = {
 165         48000,
 166 };
 167
 168 static struct snd_pcm_hw_constraint_list constraints_rates = {
 169         .count = ARRAY_SIZE(rates),
 170         .list  = rates,
 171         .mask = 0,
 172 };
 173
 174 static unsigned int channels[] = {
 175         DUAL_CHANNEL,
 176 };
 177
 178 static struct snd_pcm_hw_constraint_list constraints_channels = {
 179         .count = ARRAY_SIZE(channels),
 180         .list = channels,
 181         .mask = 0,
 182 };
 183
 184 static int bxt_fe_startup(struct snd_pcm_substream *substream)
 185 {
 186         struct snd_pcm_runtime *runtime = substream->runtime;
 187
 188         /*
 189          * On this platform for PCM device we support,
 190          * 48Khz
 191          * stereo
 192          * 16 bit audio
 193          */
 194
 195         runtime->hw.channels_max = DUAL_CHANNEL;
 196         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 197                                            &constraints_channels);
 198
 199         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
 200         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
 201
 202         snd_pcm_hw_constraint_list(runtime, 0,
 203                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
 204
 205         return 0;
 206 }
 207
 208 static const struct snd_soc_ops broxton_da7219_fe_ops = {
 209         .startup = bxt_fe_startup,
 210 };
 211
 212 static int broxton_da7219_hw_params(struct snd_pcm_substream *substream,
 213                                 struct snd_pcm_hw_params *params)
 214 {
 215         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 216         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 217         int ret;
 218
 219         ret = snd_soc_dai_set_sysclk(codec_dai,
 220                         DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN);
 221         if (ret < 0)
 222                 dev_err(codec_dai->dev, "can't set codec sysclk configuration\n");
 223
 224         ret = snd_soc_dai_set_pll(codec_dai, 0,
 225                         DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304);
 226         if (ret < 0) {
 227                 dev_err(codec_dai->dev, "failed to start PLL: %d\n", ret);
 228                 return -EIO;
 229         }
 230
 231         return ret;
 232 }
 233
 234 static int broxton_da7219_hw_free(struct snd_pcm_substream *substream)
 235 {
 236         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 237         struct snd_soc_dai *codec_dai = rtd->codec_dai;
 238         int ret;
 239
 240         ret = snd_soc_dai_set_pll(codec_dai, 0,
 241                         DA7219_SYSCLK_MCLK, 0, 0);
 242         if (ret < 0) {
 243                 dev_err(codec_dai->dev, "failed to stop PLL: %d\n", ret);
 244                 return -EIO;
 245         }
 246
 247         return ret;
 248 }
 249
 250 static struct snd_soc_ops broxton_da7219_ops = {
 251         .hw_params = broxton_da7219_hw_params,
 252         .hw_free = broxton_da7219_hw_free,
 253 };
 254
 255 /* broxton digital audio interface glue - connects codec <--> CPU */
 256 static struct snd_soc_dai_link broxton_dais[] = {
 257         /* Front End DAI links */
 258         [BXT_DPCM_AUDIO_PB]
 259         {
 260                 .name = "Bxt Audio Port",
 261                 .stream_name = "Audio",
 262                 .cpu_dai_name = "System Pin",
 263                 .platform_name = "0000:00:0e.0",
 264                 .dynamic = 1,
 265                 .codec_name = "snd-soc-dummy",
 266                 .codec_dai_name = "snd-soc-dummy-dai",
 267                 .nonatomic = 1,
 268                 .init = broxton_da7219_fe_init,
 269                 .trigger = {
 270                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 271                 .dpcm_playback = 1,
 272                 .ops = &broxton_da7219_fe_ops,
 273         },
 274         [BXT_DPCM_AUDIO_CP]
 275         {
 276                 .name = "Bxt Audio Capture Port",
 277                 .stream_name = "Audio Record",
 278                 .cpu_dai_name = "System Pin",
 279                 .platform_name = "0000:00:0e.0",
 280                 .dynamic = 1,
 281                 .codec_name = "snd-soc-dummy",
 282                 .codec_dai_name = "snd-soc-dummy-dai",
 283                 .nonatomic = 1,
 284                 .trigger = {
 285                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 286                 .dpcm_capture = 1,
 287                 .ops = &broxton_da7219_fe_ops,
 288         },
 289         [BXT_DPCM_AUDIO_REF_CP]
 290         {
 291                 .name = "Bxt Audio Reference cap",
 292                 .stream_name = "Refcap",
 293                 .cpu_dai_name = "Reference Pin",
 294                 .codec_name = "snd-soc-dummy",
 295                 .codec_dai_name = "snd-soc-dummy-dai",
 296                 .platform_name = "0000:00:0e.0",
 297                 .init = NULL,
 298                 .dpcm_capture = 1,
 299                 .ignore_suspend = 1,
 300                 .nonatomic = 1,
 301                 .dynamic = 1,
 302         },
 303         [BXT_DPCM_AUDIO_HDMI1_PB]
 304         {
 305                 .name = "Bxt HDMI Port1",
 306                 .stream_name = "Hdmi1",
 307                 .cpu_dai_name = "HDMI1 Pin",
 308                 .codec_name = "snd-soc-dummy",
 309                 .codec_dai_name = "snd-soc-dummy-dai",
 310                 .platform_name = "0000:00:0e.0",
 311                 .dpcm_playback = 1,
 312                 .init = NULL,
 313                 .nonatomic = 1,
 314                 .dynamic = 1,
 315         },
 316         [BXT_DPCM_AUDIO_HDMI2_PB]
 317         {
 318                 .name = "Bxt HDMI Port2",
 319                 .stream_name = "Hdmi2",
 320                 .cpu_dai_name = "HDMI2 Pin",
 321                 .codec_name = "snd-soc-dummy",
 322                 .codec_dai_name = "snd-soc-dummy-dai",
 323                 .platform_name = "0000:00:0e.0",
 324                 .dpcm_playback = 1,
 325                 .init = NULL,
 326                 .nonatomic = 1,
 327                 .dynamic = 1,
 328         },
 329         [BXT_DPCM_AUDIO_HDMI3_PB]
 330         {
 331                 .name = "Bxt HDMI Port3",
 332                 .stream_name = "Hdmi3",
 333                 .cpu_dai_name = "HDMI3 Pin",
 334                 .codec_name = "snd-soc-dummy",
 335                 .codec_dai_name = "snd-soc-dummy-dai",
 336                 .platform_name = "0000:00:0e.0",
 337                 .dpcm_playback = 1,
 338                 .init = NULL,
 339                 .nonatomic = 1,
 340                 .dynamic = 1,
 341         },
 342         /* Back End DAI links */
 343         {
 344                 /* SSP5 - Codec */
 345                 .name = "SSP5-Codec",
 346                 .id = 0,
 347                 .cpu_dai_name = "SSP5 Pin",
 348                 .platform_name = "0000:00:0e.0",
 349                 .no_pcm = 1,
 350                 .codec_name = "MX98357A:00",
 351                 .codec_dai_name = BXT_MAXIM_CODEC_DAI,
 352                 .dai_fmt = SND_SOC_DAIFMT_I2S |
 353                         SND_SOC_DAIFMT_NB_NF |
 354                         SND_SOC_DAIFMT_CBS_CFS,
 355                 .ignore_pmdown_time = 1,
 356                 .be_hw_params_fixup = broxton_ssp_fixup,
 357                 .dpcm_playback = 1,
 358         },
 359         {
 360                 /* SSP1 - Codec */
 361                 .name = "SSP1-Codec",
 362                 .id = 1,
 363                 .cpu_dai_name = "SSP1 Pin",
 364                 .platform_name = "0000:00:0e.0",
 365                 .no_pcm = 1,
 366                 .codec_name = "i2c-DLGS7219:00",
 367                 .codec_dai_name = BXT_DIALOG_CODEC_DAI,
 368                 .init = broxton_da7219_codec_init,
 369                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 370                         SND_SOC_DAIFMT_CBS_CFS,
 371                 .ignore_pmdown_time = 1,
 372                 .be_hw_params_fixup = broxton_ssp_fixup,
 373                 .ops = &broxton_da7219_ops,
 374                 .dpcm_playback = 1,
 375                 .dpcm_capture = 1,
 376         },
 377         {
 378                 .name = "dmic01",
 379                 .id = 2,
 380                 .cpu_dai_name = "DMIC01 Pin",
 381                 .codec_name = "dmic-codec",
 382                 .codec_dai_name = "dmic-hifi",
 383                 .platform_name = "0000:00:0e.0",
 384                 .ignore_suspend = 1,
 385                 .dpcm_capture = 1,
 386                 .no_pcm = 1,
 387         },
 388         {
 389                 .name = "iDisp1",
 390                 .id = 3,
 391                 .cpu_dai_name = "iDisp1 Pin",
 392                 .codec_name = "ehdaudio0D2",
 393                 .codec_dai_name = "intel-hdmi-hifi1",
 394                 .platform_name = "0000:00:0e.0",
 395                 .init = broxton_hdmi_init,
 396                 .dpcm_playback = 1,
 397                 .no_pcm = 1,
 398         },
 399         {
 400                 .name = "iDisp2",
 401                 .id = 4,
 402                 .cpu_dai_name = "iDisp2 Pin",
 403                 .codec_name = "ehdaudio0D2",
 404                 .codec_dai_name = "intel-hdmi-hifi2",
 405                 .platform_name = "0000:00:0e.0",
 406                 .init = broxton_hdmi_init,
 407                 .dpcm_playback = 1,
 408                 .no_pcm = 1,
 409         },
 410         {
 411                 .name = "iDisp3",
 412                 .id = 5,
 413                 .cpu_dai_name = "iDisp3 Pin",
 414                 .codec_name = "ehdaudio0D2",
 415                 .codec_dai_name = "intel-hdmi-hifi3",
 416                 .platform_name = "0000:00:0e.0",
 417                 .init = broxton_hdmi_init,
 418                 .dpcm_playback = 1,
 419                 .no_pcm = 1,
 420         },
 421 };
 422
 423 /* broxton audio machine driver for SPT + da7219 */
 424 static struct snd_soc_card broxton_audio_card = {
 425         .name = "bxtda7219max",
 426         .owner = THIS_MODULE,
 427         .dai_link = broxton_dais,
 428         .num_links = ARRAY_SIZE(broxton_dais),
 429         .controls = broxton_controls,
 430         .num_controls = ARRAY_SIZE(broxton_controls),
 431         .dapm_widgets = broxton_widgets,
 432         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
 433         .dapm_routes = broxton_map,
 434         .num_dapm_routes = ARRAY_SIZE(broxton_map),
 435         .fully_routed = true,
 436 };
 437
 438 static int broxton_audio_probe(struct platform_device *pdev)
 439 {
 440         broxton_audio_card.dev = &pdev->dev;
 441         return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card);
 442 }
 443
 444 static struct platform_driver broxton_audio = {
 445         .probe = broxton_audio_probe,
 446         .driver = {
 447                 .name = "bxt_da7219_max98357a_i2s",
 448                 .pm = &snd_soc_pm_ops,
 449         },
 450 };
 451 module_platform_driver(broxton_audio)
 452
 453 /* Module information */
 454 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode");
 455 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>");
 456 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>");
 457 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
 458 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>");
 459 MODULE_LICENSE("GPL v2");
 460 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s");